/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.trino.util;

import static java.util.Locale.ENGLISH;

public enum Case
{
    KEEP {
        @Override
        public String transform(String value)
        {
            return value;
        }
    },
    LOWER {
        @Override
        public String transform(String value)
        {
            return value.toLowerCase(ENGLISH);
        }
    },
    UPPER {
        @Override
        public String transform(String value)
        {
            return value.toUpperCase(ENGLISH);
        }
    };

    public abstract String transform(String value);
}
